CVE-2026-42603

OWASP BLT: pre-commit-fix.yaml executes untrusted fork code via pull_request_target

Published May 11, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
OWASP BLT is a QA testing and vulnerability disclosure platform that encompasses websites, apps, git repositories, and more. Prior to 2.1.2, .github/workflows/pre-commit-fix.yaml uses pull_request_target (privileged trigger) but checks out and executes code directly from the attacker's fork, enabling RCE with write permissions. This vulnerability is fixed in 2.1.2.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Owasp-blt
Owasp-blt blt
Vendors & Products Owasp-blt
Owasp-blt blt
Type Values Removed Values Added
Description OWASP BLT is a QA testing and vulnerability disclosure platform that encompasses websites, apps, git repositories, and more. Prior to 2.1.2, .github/workflows/pre-commit-fix.yaml uses pull_request_target (privileged trigger) but checks out and executes code directly from the attacker's fork, enabling RCE with write permissions. This vulnerability is fixed in 2.1.2.
Title OWASP BLT: pre-commit-fix.yaml executes untrusted fork code via pull_request_target
Weaknesses CWE-94
CWE-95
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
May 11, 2026, 5:27 PM
Reserved
Apr 29, 2026, 12:31 AM
Status
Deferred
Published
May 11, 2026, 5:16 PM
Modified
Oct 26, 2026, 6:10 PM